
( Brand: Ef Johnson ), ( Manufacturer Part Number: 242-557B ), ( Part Type: Radio ), ( Frequency Band S : Hf )
The EF Johnson Technologies ASCEND ES Radio 242-557B 800 is a top-tier, advanced two-way radio designed for professional use. This radio is part of EF Johnson's ASCEND ES Series, which is renowned for its reliability, durability, and advanced features.
The 242-557B 800 operates on the 800 MHz band and is equipped with a high-performance, digitally-enhanced, narrowband (DENIS) vocoder. This vocoder ensures crystal-clear audio quality, even in noisy environments. The radio also features a high-capacity, rechargeable battery that can provide up to 16 hours of continuous use, ensuring you're never left without communication when you need it most.
The radio's compact and ergonomic design makes it comfortable to hold and carry, even for extended periods. It also features a large, easy-to-read display that provides clear information about the radio's status, including battery level, channel, and signal strength. The radio is also IP67 rated, meaning it's dust-tight and can withstand being submerged in up to 1 meter of water for up to 30 minutes.
The 242-557B 800 is also highly customizable. It supports multiple programming options, including analog and digital modes, and can be programmed to work with a variety of different systems, including P25, LMR-TDMA, and LMR-FDMA. It also features a built-in GPS receiver, which can provide location information and aid in tracking and managing radio fleets.
In addition, the radio features advanced security features, including AES-256 encryption, to protect your communication from unauthorized access. It also supports over-the-air programming, which makes it easy to update the radio's firmware and configuration settings without the need for a physical connection.
Overall, the EF Johnson Technologies ASCEND ES Radio 242-557B 800 is a powerful, reliable, and highly customizable two-way radio that is perfect for a wide range of professional applications, including public safety, security, and industrial operations.
Pros of buying a EF Johnson Ascend ES Radio 242-557B 800:1. Excellent build quality: The radio is known for its robust and durable design, which makes it suitable for harsh environments.
2. Advanced features: The radio comes with features such as P25 Phase 2, AMBE 2 digital voice, and GPS tracking, which enhance its functionality and efficiency.
3. Excellent audio quality: The radio provides clear and crisp audio, making it easy to communicate even in noisy environments.
4. Long battery life: The radio has a long-lasting battery life, which is beneficial for users who need to use the radio for extended periods.
Cons of buying a EF Johnson Ascend ES Radio 242-557B 800:1. Expensive: The radio is priced higher than some of its competitors, which may be a deterrent for some buyers.
2. Complex interface: Some users may find the radio's interface to be complex and difficult to navigate, which may require some time to get used to.
3. Limited frequency range: The radio only supports 800 MHz frequencies, which may not be suitable for users who require a wider frequency range.
Conclusion:The EF Johnson Ascend ES Radio 242-557B 800 is a high-quality radio with advanced features and excellent build quality. However, its high price and complex interface may be a turnoff for some buyers. If you require a robust and reliable radio for use in harsh environments and have the budget for it, then this radio is an excellent choice. However, if you are looking for a more affordable radio with a wider frequency range, then you may want to consider other options.
Recommendation:If you are in the market for a high-quality radio and have the budget for it, then the EF Johnson Ascend ES Radio 242-557B 800 is an excellent choice. Its advanced features, excellent audio quality, and robust build quality make it an excellent choice for users who require a reliable and durable radio for their communication needs. However, if you are looking for a more affordable option with a wider frequency range, then you may want to consider other options available in the market.
The units show normal cosmetic use, and were pulled from a working lot. The offer is for the radios only - no heads or mics. There are two model 242-557B-301raab6, and two 242-557B-306taab6 800mhz.
Three of the four units have the pictured ribbon cables. For consideration is a lot of four Ef Johnson ascend es two way radios.